http://www.starfall.com/n/level-c/comics/load.htm?f

Pasado Simple

http://www.theyellowpencil.com/grampasadosimple.html

El extraterrestre

http://ares.cnice.mec.es/inglesep/index.html

Countries and Nationalities

http://www.theyellowpencil.com/lospaises.html

Repaso el presente del verbo to be

http://www.theyellowpencil.com/gramatobe.html

Ejercicios de vocabulario on line

http://www.theyellowpencil.com/evocabonline.html